/Engine/Source/Editor/Experimental/EditorInteractiveToolsFramework/Public/EditorGizmos/TransformGizmo.h
A linear, 32-bit/component floating point RGBA color.
static constexpr [FLinearColor](API\Runtime\Core\Math\FLinearColor) PlaneColorXY = FLinearColor(1.0f, 1.0f, 0.0f);